Reference : Rotational Cryptanalysis of ARX
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Computer science
http://hdl.handle.net/10993/20041
Rotational Cryptanalysis of ARX
English
Khovratovich, Dmitry mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) >]
Nikolic, Ivica [> >]
2010
Fast Software Encryption 17th International Workshop, FSE 2010, Seoul, Korea
333-346
Yes
No
International
978-3-642-13857-7
Fast Software Encryption
February 7-10, 2010
Seoul
South Korea
[en] In this paper we analyze the security of systems based on
modular additions, rotations, and XORs (ARX systems). We provide
both theoretical support for their security and practical cryptanalysis of
real ARX primitives. We use a technique called
rotational cryptanalysis
,
that is universal for the ARX systems and is quite efficient. We illustrate
the method with the best known attack on reduced versions of the block
cipher Threefish (the core of Skein). Additionally, we prove that ARX
with constants are functionally complete, i.e. any function can be real-
ized with these operations.
http://hdl.handle.net/10993/20041
Fast Software Encryption

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